6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-27 14:34:58 +00:00
Code Issues Projects Releases Wiki Activity

This patch prevents an infinite recursion while compiling 103.su2cor.

Browse Source 
All SPEC CFP 95 programs now work, though the JIT isn't loading -lf2c right
so they aren't testing correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-12-04 20:54:32 +00:00
parent edcc6b1e06
commit 6a1a78a478
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Analysis/ScalarEvolution.cpp
View File

@ -635,8 +635,7 @@ SCEVHandle SCEVAddExpr::get(std::vector<SCEVHandle> &Ops) {
for (unsigned MulOp = 0, e = Mul->getNumOperands(); MulOp != e; ++MulOp) {
SCEV *MulOpSCEV = Mul->getOperand(MulOp);
for (unsigned AddOp = 0, e = Ops.size(); AddOp != e; ++AddOp)
if (MulOpSCEV == Ops[AddOp] &&
(Mul->getNumOperands() != 2 || !isa<SCEVConstant>(MulOpSCEV))) {
if (MulOpSCEV == Ops[AddOp] && !isa<SCEVConstant>(MulOpSCEV)) {
// Fold W + X + (X * Y * Z) --> W + (X * ((Y*Z)+1))
SCEVHandle InnerMul = Mul->getOperand(MulOp == 0);
if (Mul->getNumOperands() != 2) {
@ -937,7 +936,8 @@ SCEVHandle SCEVMulExpr::get(std::vector<SCEVHandle> &Ops) {
std::vector<SCEV*> SCEVOps(Ops.begin(), Ops.end());
SCEVCommutativeExpr *&Result = SCEVCommExprs[std::make_pair(scMulExpr,
SCEVOps)];
if (Result == 0) Result = new SCEVMulExpr(Ops);
if (Result == 0)
Result = new SCEVMulExpr(Ops);
return Result;
}